Description
Name and standard
Standard No. : GB/T 9451-2005
name : Determination of total hardened layer depth or effective hardened layer depth on a thin surface of steel
Specifications and parameters
Test force : 1.96N(0.2kgf)-2.94N(0.3kgf)
Technical basis : based on ISO4970:1979(E) with modifications
Report content : contains part names
Function and application
function : used to determine the total hardened layer depth or effective hardened layer depth on the thin surface of steel
application : It plays an important role in heat treatment and quality control of iron and steel materials
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